#31157C#31157C

#31157C is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.6% C 0.158 H 285.5°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#31157C
RGB	rgb(49, 21, 124)
HSL	hsl(256, 71%, 28%)
HSV	hsv(256, 83%, 49%)
CMYK	cmyk(60.5%, 83.1%, 0%, 51.4%)
CIE-LAB	lab(18.56, 40.51, -52.77)
CIE-LCH	lch(18.56, 66.52, 307.51°)
OKLab	oklab(31.63% 0.0421 -0.152)
OKLCH	oklch(31.63% 0.158 285.5)
XYZ	xyz(5.1718, 2.6442, 19.3027)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31157C #607C15

analogous

#152C7C #31157C #64157C

triadic

#31157C #7C3115 #157C31

tetradic

#31157C #7C152C #607C15 #157C64

square

#31157C #7C152C #607C15 #157C64

split-complementary

#31157C #7C6415 #2C7C15

monochromatic

#0A041A #1C0C48 #31157C #461EB0 #5E30DC

Accessibility & contrast

On white

13.73

#31157C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#31157C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31157C

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31157C	#FFFFFF	#000000	##FFFFFF
##31157C	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307F

Deuteranopia (green-blind)

#002A7A

Tritanopia (blue-blind)

#063449

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #31157c;
/* rgb */ color: rgb(49, 21, 124);
/* oklch */ color: oklch(31.6% 0.158 285.5);

Tailwind

colors: {
  custom: {
    50: '#7457a3',
    500: '#31157c',
    950: '#000000',
  },
}

SCSS

$custom: #31157c;
$custom-light: #7457a3;
$custom-dark: #000000;

JSON

{
  "hex": "#31157c",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 124
  },
  "hsl": {
    "h": 256.311,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31633,
    "c": 0.15775,
    "h": 285.5
  },
  "luminance": 0.02645
}

Semantic roles & 50–950 ramp

primary

#31157C

secondary

#91B13C

accent

#EE3ABD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #31157C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →